From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Josef Bacik <josef@toxicpanda.com>,
dm-devel@redhat.com, linux-kernel@vger.kernel.org,
linux-block@vger.kernel.org, nbd@other.debian.org,
ceph-devel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
linux-raid@vger.kernel.org, linux-nvdimm@lists.01.org,
linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: [PATCH 2/9] block: don't clear bd_invalidated in check_disk_size_change
Date: Tue, 1 Sep 2020 17:57:41 +0200 [thread overview]
Message-ID: <20200901155748.2884-3-hch@lst.de> (raw)
In-Reply-To: <20200901155748.2884-1-hch@lst.de>
bd_invalidated is set by check_disk_change or in add_disk to initiate a
partition scan. Move it from check_disk_size_change which is called
from both revalidate_disk() and bdev_disk_changed() to only the latter,
as that is what is called from the block device open code (and nbd) to
deal with the bd_invalidated event. revalidate_disk() on the other hand
is mostly used to propagate a size update from the gendisk to the block
device, which is entirely unrelated.
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/block_dev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 08158bb2e76c85..2760292045c082 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1302,7 +1302,6 @@ static void check_disk_size_change(struct gendisk *disk,
}
i_size_write(bdev->bd_inode, disk_size);
}
- bdev->bd_invalidated = 0;
spin_unlock(&bdev->bd_size_lock);
if (bdev_size > disk_size) {
@@ -1391,6 +1390,8 @@ int bdev_disk_changed(struct block_device *bdev, bool invalidate)
lockdep_assert_held(&bdev->bd_mutex);
+ bdev->bd_invalidated = 0;
+
rescan:
ret = blk_drop_partitions(bdev);
if (ret)
--
2.28.0
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next prev parent reply other threads:[~2020-09-01 15:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-01 15:57 remove revalidate_disk() Christoph Hellwig
2020-09-01 15:57 ` [PATCH 1/9] Documentation/filesystems/locking.rst: remove an incorrect sentence Christoph Hellwig
2020-09-02 7:22 ` Johannes Thumshirn
2020-09-01 15:57 ` Christoph Hellwig [this message]
2020-09-01 15:57 ` [PATCH 3/9] block: rename bd_invalidated Christoph Hellwig
2020-09-02 7:23 ` Johannes Thumshirn
2020-09-01 15:57 ` [PATCH 4/9] block: add a new revalidate_disk_size helper Christoph Hellwig
2020-09-02 6:06 ` Song Liu
2020-09-02 7:23 ` Johannes Thumshirn
2020-09-01 15:57 ` [PATCH 5/9] block: use revalidate_disk_size in set_capacity_revalidate_and_notify Christoph Hellwig
2020-09-02 7:23 ` Johannes Thumshirn
2020-09-01 15:57 ` [PATCH 6/9] nvme: opencode revalidate_disk in nvme_validate_ns Christoph Hellwig
2020-09-02 7:23 ` Johannes Thumshirn
2020-09-01 15:57 ` [PATCH 7/9] sd: open code revalidate_disk Christoph Hellwig
2020-09-02 7:24 ` Johannes Thumshirn
2020-09-01 15:57 ` [PATCH 8/9] nvdimm: simplify revalidate_disk handling Christoph Hellwig
2020-09-01 15:57 ` [PATCH 9/9] block: remove revalidate_disk() Christoph Hellwig
2020-09-02 5:59 ` Song Liu
2020-09-02 7:25 ` Johannes Thumshirn
2020-09-01 17:45 ` Josef Bacik
2020-09-02 14:02 ` Jens Axboe
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